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The Maxima on-line user's manual

Algebra Calculator

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Concat Calculator

Concat

Function: concat (<arg_1>, <arg_2>, ...) Concatenates its arguments. The arguments must evaluate to atoms. The return value is a symbol if the first argument is a symbol and a string otherwise.

kill(base,n,d,r,q);
base(n,d):=block([q:1, r:n, obase:d],while(r>=d) do(q:q+1,r:r-d, return(concat(q,r))));
makelist(base(n,10), n, 1, 10);
makelist(base(n,2), n, 1, 10);

concat evaluates its arguments. The single quote prevents evaluation.

          (%i1) y: 7$
          (%i2) z: 88$
          (%i3) concat (y, z/2);
          (%o3)                          744
          (%i4) concat (y, z/2);
          (%o4)                          y44

A symbol constructed by concat may be assigned a value and appear in expressions. The :: (double colon) assignment operator evaluates its left-hand side.

          (%i5) a: concat (y, z/2);
          (%o5)                          y44
          (%i6) a:: 123;
          (%o6)                          123
          (%i7) y44;
          (%o7)                          123
          (%i8) b^a;
                                         y44
          (%o8)                         b
          (%i9) %, numer;
                                         123
          (%o9)                         b

Note that although concat (1, 2) looks like a number, it is a string.

          (%i10) concat (1, 2) + 3;
          (%o10)                       12 + 3

There are also some inexact matches for concat. Try ?? concat to see them.

(%o1)                                true
(%i2) 

Concat Example

Related Examples

concat-numer

y: 7;

z: 88;

concat (y, z/2);

Calculate

concat-expand-sconcat

sconcat ("xx[", 3, "]...

Calculate

concat-sum

k:1;

n:0;

f:2*k*%pi*s^2*(1+2*(1...

Calculate

concat-explicit-kill-string

kill(all);

[f1, f2] : [x^2 + 10,...

wxdraw2d(title = "Reg...

Calculate

concat-length-random

liste:["+","-","/","*...

a(x):="x"+liste[rando...

a(2);

Calculate

concat-do-if-kill-numer-true

kill(all);

numer:true;

jahr:365;

Calculate

concat-makelist-sum

k:2;

n:1;

acl:makelist(concat('...

Calculate

concat-length-numer-random

liste:["+","-","/","*...

a(x):="x"+liste[rando...

a(2);

Calculate

concat-first-second

write_number_from_lis...

write_number_from_lis...

Calculate